Caffein (Noun)
Meaning
A bitter alkaloid found in coffee and tea that is responsible for their stimulating effects.
Classification
Nouns denoting substances.
Examples
- The stimulating effects of coffee are primarily due to the presence of caffein.
- Researchers have long studied the effects of caffein on the human body, particularly its impact on the nervous system.
- Too much caffein can cause jitters, anxiety, and an inability to sleep.
- Caffein is also found in tea, although in smaller amounts than in coffee.
- The body develops a tolerance to caffein over time, requiring more of the substance to achieve the same stimulating effects.